Previous SWPC news items.
NOAA Scales mini
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales
Navigation: Low-frequency navigation signals degraded for brief intervals.
News Archive
News Archive
Originally Posted | ||
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M1 flare (R1 - Minor Radio Blackout) at 0514 UTC on 22 April, 2022 | Friday, April 22, 2022 - 06:06 | |
M9 Flare (R2 - Moderate Radio Blackout) on 21 April, 2022 | Thursday, April 21, 2022 - 04:17 | |
X2 Flare (R3 - Strong Radio Blackout) on 20 April, 2022 UTC-Day | Wednesday, April 20, 2022 - 05:22 | |
R3 (Strong) Radio Blackouts from Region 2994 | Sunday, April 17, 2022 - 05:50 | |
G1-G2 (Minor-Moderate) Storm Conditions Met on 14 April, 2022 | Thursday, April 14, 2022 - 19:33 |